james/yubikey.rs
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yubikey.rs/ykcs11/token_vendors.c
T
Mikhail Denisenko 6042a2140e Implemented C_SetPIN
2015-12-11 13:23:38 -05:00

320 lines
8.7 KiB
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#include "token_vendors.h"
#include "yubico_token.h"
#include "openssl_utils.h"
#include <string.h>
#include "debug.h"
#include <stdbool.h>
#include "../tool/util.h"
static CK_RV COMMON_token_login(ykpiv_state *state, CK_USER_TYPE user, CK_UTF8CHAR_PTR pin, CK_ULONG pin_len) {
int tries = 0; // TODO: this is effectively disregarded, should we add a better value in ykpiv_verify?
unsigned char key[24];
size_t key_len = sizeof(key);
unsigned char *term_pin;
ykpiv_rc res;
if (user == CKU_USER) {
// add null termination for the pin
term_pin = malloc(pin_len + 1);
if (term_pin == NULL) {
return CKR_HOST_MEMORY;
}
memcpy(term_pin, pin, pin_len);
term_pin[pin_len] = 0;
res = ykpiv_verify(state, (char *)term_pin, &tries);
OPENSSL_cleanse(term_pin, pin_len);
free(term_pin);
if (res != YKPIV_OK) {
DBG("Failed to login");
return CKR_PIN_INCORRECT;
}
}
else if (user == CKU_SO) {
if(ykpiv_hex_decode((char *)pin, pin_len, key, &key_len) != YKPIV_OK) {
DBG("Failed decoding key");
return CKR_FUNCTION_FAILED;
}
if(ykpiv_authenticate(state, key) != YKPIV_OK) {
DBG("Failed to authenticate");
return CKR_PIN_INCORRECT;
}
}
return CKR_OK;
}
static CK_RV COMMON_token_generate_key(ykpiv_state *state, CK_BBOOL rsa,
CK_BYTE key, CK_ULONG key_len, CK_ULONG vendor_defined) {
// TODO: make a function in ykpiv for this
unsigned char in_data[11];
unsigned char *in_ptr = in_data;
unsigned char data[1024];
unsigned char templ[] = {0, YKPIV_INS_GENERATE_ASYMMERTRIC, 0, 0};
unsigned char *certptr;
unsigned long recv_len = sizeof(data);
int len_bytes;
int sw;
CK_RV rv;
templ[3] = key;
*in_ptr++ = 0xac;
*in_ptr++ = 3;
*in_ptr++ = 0x80;
*in_ptr++ = 1;
switch(key_len) {
case 2048:
if (rsa == CK_TRUE)
*in_ptr++ = YKPIV_ALGO_RSA2048;
else
return CKR_FUNCTION_FAILED;
break;
case 1024:
if (rsa == CK_TRUE)
*in_ptr++ = YKPIV_ALGO_RSA1024;
else
return CKR_FUNCTION_FAILED;
break;
case 256:
if (rsa == CK_FALSE)
*in_ptr++ = YKPIV_ALGO_ECCP256;
else
return CKR_FUNCTION_FAILED;
break;
default:
return CKR_FUNCTION_FAILED;
}
// PIN policy and touch
if (vendor_defined != 0) {
if (vendor_defined & CKA_PIN_ONCE) {
in_data[1] += 3;
*in_ptr++ = YKPIV_PINPOLICY_TAG;
*in_ptr++ = 0x01;
*in_ptr++ = YKPIV_PINPOLICY_ONCE;
}
else if (vendor_defined & CKA_PIN_ALWAYS) {
in_data[1] += 3;
*in_ptr++ = YKPIV_PINPOLICY_TAG;
*in_ptr++ = 0x01;
*in_ptr++ = YKPIV_PINPOLICY_ALWAYS;
}
if (vendor_defined & CKA_TOUCH_ALWAYS) {
in_data[1] += 3;
*in_ptr++ = YKPIV_TOUCHPOLICY_TAG;
*in_ptr++ = 0x01;
*in_ptr++ = YKPIV_TOUCHPOLICY_ALWAYS;
}
}
if(ykpiv_transfer_data(state, templ, in_data, in_ptr - in_data, data, &recv_len, &sw) != YKPIV_OK ||
sw != 0x9000)
return CKR_DEVICE_ERROR;
// Create a new empty certificate for the key
recv_len = sizeof(data);
if ((rv = do_create_empty_cert(data, recv_len, rsa, data, &recv_len)) != CKR_OK)
return rv;
if (recv_len < 0x80)
len_bytes = 1;
else if (recv_len < 0xff)
len_bytes = 2;
else
len_bytes = 3;
certptr = data;
memmove(data + len_bytes + 1, data, recv_len);
*certptr++ = 0x70;
certptr += set_length(certptr, recv_len);
certptr += recv_len;
*certptr++ = 0x71;
*certptr++ = 1;
*certptr++ = 0; /* certinfo (gzip etc) */
*certptr++ = 0xfe; /* LRC */
*certptr++ = 0;
// Store the certificate into the token
if (ykpiv_save_object(state, key_to_object_id(key), data, (size_t)(certptr - data)) != YKPIV_OK)
return CKR_DEVICE_ERROR;
return CKR_OK;
}
static CK_RV COMMON_token_import_cert(ykpiv_state *state, CK_ULONG cert_id, CK_BYTE_PTR in) {
unsigned char certdata[3072];
unsigned char *certptr;
CK_ULONG cert_len;
CK_RV rv;
// Check whether or not we have a valid cert
if ((rv = do_check_cert(in, &cert_len)) != CKR_OK)
return rv;
if (cert_len > 3072)
return CKR_FUNCTION_FAILED;
certptr = certdata;
*certptr++ = 0x70;
certptr += set_length(certptr, cert_len);
memcpy(certptr, in, cert_len);
certptr += cert_len;
*certptr++ = 0x71;
*certptr++ = 1;
*certptr++ = 0; /* certinfo (gzip etc) */
*certptr++ = 0xfe; /* LRC */
*certptr++ = 0;
// Store the certificate into the token
if (ykpiv_save_object(state, cert_id, certdata, (size_t)(certptr - certdata)) != YKPIV_OK)
return CKR_DEVICE_ERROR;
return CKR_OK;
}
CK_RV COMMON_token_import_private_key(ykpiv_state *state, CK_BYTE key_id,
CK_BYTE_PTR p, CK_ULONG p_len,
CK_BYTE_PTR q, CK_ULONG q_len,
CK_BYTE_PTR dp, CK_ULONG dp_len,
CK_BYTE_PTR dq, CK_ULONG dq_len,
CK_BYTE_PTR qinv, CK_ULONG qinv_len,
CK_BYTE_PTR ec_data, CK_ULONG ec_data_len,
CK_ULONG vendor_defined) {
CK_BYTE pin_policy;
CK_BYTE touch_policy;
CK_BYTE algo;
ykpiv_rc rc;
if (p == NULL) {
if (ec_data_len == 32 || ec_data_len == 31)
algo = YKPIV_ALGO_ECCP256;
else
algo = YKPIV_ALGO_ECCP384;
}
else if (ec_data == NULL) {
if (p_len == 64)
algo = YKPIV_ALGO_RSA1024;
else
algo = YKPIV_ALGO_RSA2048;
}
else
return CKR_FUNCTION_FAILED;
pin_policy = YKPIV_PINPOLICY_DEFAULT;
touch_policy = YKPIV_TOUCHPOLICY_DEFAULT;
if (vendor_defined != 0) {
if (vendor_defined & CKA_PIN_ONCE) {
pin_policy = YKPIV_PINPOLICY_ONCE;
}
else if (vendor_defined & CKA_PIN_ALWAYS) {
pin_policy = YKPIV_PINPOLICY_ALWAYS;
}
else if (vendor_defined & CKA_PIN_NEVER) {
pin_policy = YKPIV_PINPOLICY_NEVER;
}
else
return CKR_ATTRIBUTE_VALUE_INVALID;
if (vendor_defined & CKA_TOUCH_ALWAYS) {
touch_policy = YKPIV_TOUCHPOLICY_ALWAYS;
}
else if (vendor_defined & CKA_TOUCH_NEVER) {
touch_policy = YKPIV_TOUCHPOLICY_NEVER;
}
else
return CKR_ATTRIBUTE_VALUE_INVALID;
}
rc = ykpiv_import_private_key(state, key_id, algo,
p, p_len,
q, q_len,
dp, dp_len,
dq, dq_len,
qinv, qinv_len,
ec_data, ec_data_len,
pin_policy, touch_policy);
if (rc != YKPIV_OK)
return CKR_FUNCTION_FAILED;
return CKR_OK;
}
CK_RV COMMON_token_delete_cert(ykpiv_state *state, CK_ULONG cert_id) {
if (ykpiv_save_object(state, cert_id, NULL, 0) != YKPIV_OK)
return CKR_DEVICE_ERROR;
return CKR_OK;
}
token_vendor_t get_token_vendor(vendor_id_t vid) {
token_vendor_t v;
switch (vid) {
case YUBICO:
v.get_token_label = YUBICO_get_token_label;
v.get_token_manufacturer = YUBICO_get_token_manufacturer;
v.get_token_model = YUBICO_get_token_model;
v.get_token_flags = YUBICO_get_token_flags;
v.get_token_version = YUBICO_get_token_version;
v.get_token_serial = YUBICO_get_token_serial;
v.get_token_mechanisms_num = YUBICO_get_token_mechanisms_num;
v.get_token_mechanism_list = YUBICO_get_token_mechanism_list;
v.get_token_mechanism_info = YUBICO_get_token_mechanism_info;
v.get_token_objects_num = YUBICO_get_token_objects_num;
v.get_token_object_list = YUBICO_get_token_object_list;
v.get_token_raw_certificate = YUBICO_get_token_raw_certificate;
v.token_login = COMMON_token_login;
v.token_generate_key = COMMON_token_generate_key;
v.token_import_cert = COMMON_token_import_cert;
v.token_import_private_key = COMMON_token_import_private_key;
v.token_delete_cert = COMMON_token_delete_cert;
v.token_change_pin = YUBICO_token_change_pin;
break;
case UNKNOWN:
default:
v.get_token_label = NULL;
v.get_token_manufacturer = NULL;
v.get_token_model = NULL;
v.get_token_flags = NULL;
v.get_token_version = NULL;
v.get_token_serial = NULL;
v.get_token_mechanisms_num = NULL;
v.get_token_mechanism_list = NULL;
v.get_token_mechanism_info = NULL;
v.get_token_objects_num = NULL;
v.get_token_object_list = NULL;
v.get_token_raw_certificate = NULL;
v.token_login = NULL;
v.token_generate_key = NULL;
v.token_import_cert = NULL;
v.token_import_private_key = NULL;
v.token_delete_cert = NULL;
}
return v;
}
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